DR. JOSEPH B KAHAN MD
NPI 1336678093
Orthopaedic Surgery in South Portland, ME
About Dr. Joseph B Kahan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSEPH B KAHAN MD (NPI 1336678093) is an individual orthopaedic surgery provider in South Portland, Maine, licensed in Maine (MD27107) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and is a graduate of Tufts University School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Joseph B Kahan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Joseph Kahan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Scarborough, ME 04074
- Reassigned Medicare billing, Maine enrollment
- 3,140 clinicians in this Medicare group
Scarborough, ME 04074
- Reassigned Medicare billing, Maine enrollment
- 264 clinicians in this Medicare group
Concord, NC 28025
- Reassigned Medicare billing, North Carolina enrollment
- 2,223 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Maine Medical Center
Acute Care Hospitals · Portland, MECary Medical Center
Acute Care Hospitals · Caribou, MEWaldo County General Hospital
Critical Access Hospitals · Belfast, MEStephens Memorial Hospital
Critical Access Hospitals · Norway, MEMemorial Hospital, The
Critical Access Hospitals · North Conway, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04106 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SOUTH PORTLAND, ME 04106
SOUTH PORTLAND, ME 04106
SOUTH PORTLAND, ME 04106
SOUTH PORTLAND, ME 04106
SOUTH PORTLAND, ME 04106
SOUTH PORTLAND, ME 04106
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Joseph Kahan's NPI number?
The NPI number for Joseph Kahan is 1336678093. It was assigned to this individual provider in the NPPES registry on June 7, 2017.
Where is Joseph Kahan located?
Joseph Kahan practices at 119 Gannett Dr, South Portland, ME 04106. The listed phone number is (207) 773-0040.
What is Joseph Kahan's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Joseph Kahan enrolled in Medicare?
Yes. Joseph Kahan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Joseph Kahan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Kahan reassigns Medicare benefits to 3 organizations: Mainehealth (Scarborough, ME), Maine Medical Partners (Scarborough, ME) and Carolinas Medical Center (Concord, NC). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joseph Kahan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joseph Kahan accept?
Health plans from Harvard Pilgrim Health Care and Taro Health list Joseph Kahan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Joseph Kahan affiliated with any hospitals?
According to CMS data, Joseph Kahan is affiliated with Maine Medical Center, Cary Medical Center, Waldo County General Hospital, Stephens Memorial Hospital and Memorial Hospital, The.
When was this NPI record last updated?
The NPPES record for Joseph Kahan was last updated on April 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Joseph B Kahan, MD · NPI 1336678093
Orthopaedic Surgery physician in South Portland, Maine. Individual provider, active in the CMS NPPES registry since June 7, 2017.
## Identity
- **NPI:** 1336678093 (Entity type: Individual)
- **Enumerated:** June 7, 2017
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** MD27107 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 119 GANNETT DR, South Portland, ME 04106-6942
- **Phone:** (207) 773-0040
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Mainehealth (NPI 1497052518, Scarborough, ME); Maine Medical Partners (NPI 1346687167, Scarborough, ME); Carolinas Medical Center (NPI 1467790055, Concord, NC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tufts University School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** April 2, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1336678093) · Data from the CMS NPPES public registry.